CVE-2026-98221
Received
Received - Intake
Linux kernel KEYS trusted TPM2 boundary check fix
Vulnerability report for CVE-2026-98221, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-10-06
Last updated on: 2026-10-06
Assigner: kernel.org
Description
Description
In the Linux kernel, the following vulnerability has been resolved:
KEYS: trusted: Fix tpm2_load_cmd() boundary check
tpm2_load_cmd() does boundary checks against the ASN.1 size i.e.,
payload->blob_len. Address this by passing the decoded blob size to
tpm2_load_cmd(), and use it for the boundary checks.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| Linux | Linux | f2219745250f388edacabe6cca73654131c67d0a |
| Linux | Linux | f2219745250f388edacabe6cca73654131c67d0a |
| Linux | Linux | f2219745250f388edacabe6cca73654131c67d0a |
| Linux | Linux | f2219745250f388edacabe6cca73654131c67d0a |
| Linux | Linux | f2219745250f388edacabe6cca73654131c67d0a |
| Linux | Linux | f2219745250f388edacabe6cca73654131c67d0a |
| Linux | Linux | f2219745250f388edacabe6cca73654131c67d0a |
| Linux | Linux | 5.13 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |